Table 3.
Estimated changes in adiposity markers associated with isotemporal substitutions between sedentary behavior and light, moderate, and vigorous physical activity
| 2 h/week from SB to LPA |
1 h/week from SB to MPA |
15 min/week from SB to VPA |
||||
|---|---|---|---|---|---|---|
| Percentage change |
95% CI | Percentage change |
95% CI | Percentage change |
95% CI | |
| Fat mass (%) | ||||||
| Total SB | −0.2 | (−2.7, 2.3) | −0.1 | (−2.3, 2.2) | −0.6 | (−1.5, 0.3) |
| SB short bouts | 3.1 | (−1.5, 7.9) | 1.0 | (−1.2, 3.3) | −0.2 | (−1.4, 1.0) |
| SB middle bouts | −2.8 | (−6.1, 0.7) | −1.8 | (−4.7, 1.1) | −0.9 | (−1.8, 0.01) |
| SB long bouts | 2.2 | (−2.7, 7.2) | 0.5 | (−2.7, 3.7) | −0.3 | (−1.3, 0.6) |
| Fat mass index (kg/m2) | ||||||
| Total SB | 0.0 | (−3.0, 3.0) | 0.2 | (−2.6, 3.0) | −0.8 | (−1.8, 0.3) |
| SB short bouts | 1.9 | (−3.6, 7.7) | 1.1 | (−1.9, 4.3) | −0.6 | (−2.1, 0.9) |
| SB middle bouts | −2.7 | (−7.6, 2.4) | −1.1 | (−4.6, 2.5) | −1.2 | (−2.5, 0.2) |
| SB long bouts | 2.5 | (−2.8, 8.0) | 1.3 | (−2.6, 5.4) | −0.6 | (−1.9, 0.7) |
| Visceral adipose tissue (cm2) | ||||||
| Total SB | −2.5 | (−7.4, 2.7) | 0.1 | (−4.7, 5.1) | −3.3 | (−5.7, −0.8) |
| SB short bouts | −2.6 | (−13.6, 9.8) | 0.5 | (−4.0, 5.2) | −3.8 | (−7.4, −0.03) |
| SB middle bouts | −3.7 | (−12.0, 5.3) | −0.1 | (−7.3, 7.7) | −3.9 | (−6.9, −0.8) |
| SB long bouts | −3.5 | (−11.6, 5.3) | 0.2 | (−6.5, 7.3) | −3.8 | (−6.8, −0.7) |
Bold values denote significant changes in adiposity status
CI confidence interval, LPA light physical activity, MPA moderate physical activity, SB sedentary behavior, VPA vigorous physical activity